News From the Field
Fingerprinting Slow Earthquakes
April 23, 2009
The most powerful earthquakes happen at the junction of two converging tectonic plates, where one plate is sliding (or subducting) beneath the other. Now a team of researchers, led by Teh-Ru Alex Song of the Carnegie Institution, has found that an anomalous layer at the top of a subducting plate coincides with the locations of slow earthquakes and non-volcanic tremors. Such a layer in similar settings elsewhere could point to other regions of slow quakes.
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